Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 13, NWS Tallahassee, FL
NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 16, 1990, 10:11 AM CST for Escambia County, Santa Rosa County, Florida. It was in force for 64 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 16, 1990, 10:11 AM CST (16:11 UTC)
- Expired
- Feb 16, 1990, 11:15 AM CST
- In force
- 64 min
- Issued by
- NWS Tallahassee, FL
- Area
- Whole counties
Counties Escambia County, FL, Santa Rosa County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 16, 10:30 AM CST | Thunderstorm Wind 50 | Santa Rosa, FL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Apalachicola Mun, FL (KAQQ), launched 12:00Z, 4.2 hours before the alert went out and 233 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 265 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 301 m²/s²
- 0-3 km storm-relative helicity
- 295 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KPNS 161609
SVRPNS
FLC033-113-161715-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE PENSACOLA FL
1011 AM CST FRI FEB 16 1990
THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A
SEVERE THUNDERSTORM WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL 1115 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST FLORIDA
...ESCAMBIA...SANTA ROSA
AND ADJOINING COASTAL WATERS OF ESCAMBIA AND SANTA ROSA COUNTIES.
AT 1000 AM CST RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
STRETCHING FROM EXTREME SOUTH CENTRAL ALABAMA SOUTHWESTWARD ACROSS
ESCAMBIA COUNTY FLORIDA TO SOUTHERN BALDWIN COUNTY ALABAMA.
THE LINE WAS MOVING TO THE SOUTHEAST AT 20 MILES AN HOUR WHILE THE
INDIVIDUAL STORMS WITHIN THE LINE WERE MOVING TO THE NORTHEAST AT 45
MILES AN HOUR.
THE LINE OF SEVERE THUNDERSTORMS WILL LIKELY ENTER THE COASTAL WATERS
OF THESE COUNTIES WITHIN THE HOUR.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 9:33 AM CST | Severe Thunderstorm Warning | TAE | Escambia, Santa Rosa | 42 min |
| Feb 16, 11:13 AM CST | Severe Thunderstorm Warning | TAE | Escambia, Santa Rosa | 62 min |
| Feb 16, 11:13 AM CST | Severe Thunderstorm Warning | TAE | Okaloosa | 62 min |
| Feb 16, 2:28 PM CST | Severe Thunderstorm Warning | TAE | Calhoun | 32 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.